Fountain-pen.



1?. M. ASHLEY;

FOUNTAIN PEN. APPLICATION FIL D UB0. 3, 1906.

9 %899 Patented JaniO, 1911.

Wiimaooao 'Swmwtoz FRANK M. ASHLEY, OF NEW YORK, Y.

seminars-ran.

To all whpm it may concern:

. Be it known that I, FRANK. M. ASHLEY, citizen of the United States, residing at West Sixth street, corner of Dewey iavenue, in the city of New York, borough of Brooklyn,

Coney Island, State of New York, have mand useful 1m rovements vented certain new ollowing is in FountaimPens, of which the a specification.

My invention relates to that type of selffilling fountain pens embodying a flexible sack for holding the ink, the construction being such that the closed end of said sack can be rendered accessible for permitting the sack-to be successively twisted and released, whereby a supply of ink can be'inducted within the flexible reservoir presented by such sack. r The more prominent objects of the invention are to provide a pen of the character referred to, in which the open end. of the sack is posi 'vely held against longitudinal movement-in either direction, so that any tendency to leakage at the forwardend of the sack is obviated, and said sack be capable of undergoing the desired twisti movements without liability of its forwar end becoming disengaged. Provision is also made whereby the sack at its open end will be positively clamped between independent detachable sections of the pen, so that said clamped portionwill serve as a packing for providing a liquid-tight joint between said sections.

There are other important features connected with the invention which in addition to those alluded to, are clearly explained in the subsequent detailed description.

In the accompanying drawing forming part of this specification-Figure 1, isa longi-. tudinal sectional view disclosing one form of my improved pen. Fig. 2, is a view of similar character, showing the casing-barrel detached. Fig. 3, is a longitudinal sectional view of the sack. Fig. 4, is a similar view, disclosing a modification of the parts at the connection between the casing and the section holder. Fig. 5, is a sectional view of a sack adapted to be employed in connection with the structure disclosed in the preceding figure.

The parts are very simple and comprise a casing A, which is connected to a sectionholder B, by a thread C, such connection serving to clamp the flange E of the flexible sack E, so that the open end of said sack Specification of Letterslatent. I Application filed Decemli er a, 1906; Serial lib. s45 77. \s

will be; positively contrlbute to practically same. The'sack E, is

Patented Jan. 10, 1911.

tion,:and the flang' will act as a liquid-tight packing-.for the oint between the casing and t e section holder.

In a igs. 1 and 3", the sack is'shown as bemg provided near its ifront end'y'with a re? duced portion 6, which permits said sack at this point to twist more easily and thereby from the reservoir or 1 -chamber F, are.-

sult which cannot be so completeily plished without the presence of a: portion 2.. i

The section-holder is provided with the" I, said section. containing the passage H, which establishes usual pen-section Ur,-and oen communication. between the reservoir and the pen-point for the cessively with the atmosphere and an ink sup 1y, when the air is 'to be expelled from sea provided ,at its rear end with a solid ion E, having the same diameter as diameter, said solid rtion being esigned to serve as a handle or the fingers tofgrasp and manipulate the sack in the oyflration of filling. A further advantage in ving the portion E, of the relative described, is that in addition to said providing an appreciable handle 'to'flbe grasped and? manipulated by the by reason aforesaid, sgid portion for ma ntain weight, will act as an anchor ing the of the sack properly disposed within the c sing, irrespective of either-tho quantity within or entire absence of ink with r to said sack. Furthermore, said portion E, will by reason of its relatively particular diameter,.apprec1ably coact, after the sack has been twisted, to restore the same to its normal expinded condition. f If The external iameter of the sack E, when the latter is filled with ink, is sufliciently less thanthe inner diameter of the casing as to result in an interniediateair passage or space J. .The rear cap K, which gaged with the casing at K, contams ib-{l}! vent k, which permits the air with n the space J, when heated or expanded by heai convection from the hand, to escape to tin atmosphere, thereby preventing the res nrt of the heated air from actmg on e which is preferably of hard rubber, 3nd

expel all the am.

feed of ink, and suereservoir and ink inducted within the at of the each at its largest.

eld against longitudinal movement or (113p acement in either direc-' forcing of ink from the resery'tiir through the passage H, which would cau-e what is termed in the trade, "flooding."

Referring to Fig. 4, the casing L, has at 6 its forward end portion, a thread X, on its inner circumference instead of on its 'exterior as shown in Fig. l. and the StCl'lOll-hOltlQl' is provided with an exterior thread as disclosed. In order to provide an abutment 10 for the rubber flange P, of the sack Q, the casing is threaded interiorly at its lower end to .a point N and a rim r is threaded on its outer circumference to fit the thread in the casing into which it is screwed as shown,

[5 so that a flange of the sack may abut this ring and be held between it and the end of the pen section. The ring by reason of its internal diameter being smaller than that of the casing, providing a comparatively wide abutment for the flange P. to bear against, and when the section holder is engaged, both the flange and ring are positively held in position between the rear end of the section holder and the ring. The ring may, if desircd, be formed integral with the casing instead of separable therefrom. Either the sack E or the sack Q, may be in-. troduced and clam ed between the casing L, and section-holder lil, the only ditference'be: sll'tween the two sacks bein that one is re duced in diameter at e, whi e the other is not it) 'configurated as most clearly appears in 1g. 5.

The pen is filled by'successively twisting B5 or otherwise collapsing the rubber sack, submerging the front end of the section-holder in an ink-supply, and releasing said sack,

whereuponethe ink will be drawn into the reservoiras the sack returns to its normal (0 condition. It will be noted that the end portion E of the sack, projects beyond the extremity of the casing pro er, so that when .the cap K is removed, sai portion may be readily grasped to twist said sack.

Having thus described my invention, what I claim as new and desire to secure by Let'- ters Patent, is"

1. A fountain; pen comprising a casing and a pen section, a flexible sack within the casing having a laterally extending flange which flange is clam ed between the casing and nsection to liold the sack in position in the casing.

vided at its open end with a flange and at its closed end with a solid portion of a di ameter substantially the same as that of the body of the sack under. normal expansion, and a section holder which abuts and positively holds said sack by said flange to said casing to prevent its shifting longitudinally in either directions 3. A fountain pen comprising a casing, a flexible sack within said casing, having a neck of reduced diameter and having a flange at its forward open end, and a section holder which abuts and 'iositively holds said flange to said casing to prevent its shifting longitudinaltv in eithendirection.

4. A fountain pen comprising a casing, a flexible sack within said casing but of less external diameter than the casing interior. when said sack is normally expanded, said sack having a flange at its open end, a section holder which abuts and clamps said flange against the casing to hold the flange .against movement longitudinally in either direction, and a rear cap for said casing, provided with a vent.

5. A fountain pen comprising a casing and a pen section, a flexible sack within the casing having a laterally extending flange,

which flange extends between the end of the casiiigand pen section, and is clamped between the same thus serving as a packing at the joint and to hold the sack in said casing.

(i. A fountain pen comprising a casing and a en-section and means for securing the sai section and easing together, one of said members having an extended shoulder thereon in .alinement with the end of the other said member, and a sack adapted to hold ink and having a laterally extended flange interposed between said end and said shoulder.

In testimony whereof, I, FRANK ,M. Asu- LEY,.have signed my name to this specification in the presence of two subscribing witnesses, this 23rd day of December 1906.

FRANK M. ASHLEY, 

